yepher/CoreDataUtility — pull request #36 by jpage4500 (2014-11-11 14:38:50+00:00)
Title: fix issue sorting a Boolean or NSNumber field that contains a nil value for row #1

- fix issue sorting a Boolean or NSNumber field that contains a nil value for row #1 (nil will get changed to NSString("") and the comparison description gets set to compareCaseInsensitive. Solution used here is to treat all objects as a string